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>>The Official ASUS P8P67/P8Z68 & P8Z68/GEN3 Series Owners Club>> - Page 663

post #6621 of 9343
I just redid my system build and realized my EPU switch was in the on position this whole. What could this be doing to voltages? Could it be the reason I am seeming to have way higher voltages than other people with the same OC? I think I set EPU to disabled in the bios. Shouldn't that have taken care of EPU?
post #6622 of 9343
p8p67 pro with bios 1502..is about the most solid option for an 1155 motherboard there is thumb.gif
 
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post #6623 of 9343
Quote:
Originally Posted by Schmuckley View Post

p8p67 pro with bios 1502..is about the most solid option for an 1155 motherboard there is thumb.gif

My board with latest bios is solid as Mount Everest with my chip at 4.6.
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post #6624 of 9343
Yea, I thought everyone raved about p8p67 boards? If the z68 had not been released that's what I would be running.
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post #6625 of 9343
Quote:
Originally Posted by selluminis View Post

I just redid my system build and realized my EPU switch was in the on position this whole. What could this be doing to voltages? Could it be the reason I am seeming to have way higher voltages than other people with the same OC? I think I set EPU to disabled in the bios. Shouldn't that have taken care of EPU?

 

From http://support.asus.com/FAQ/detail.aspx?SLanguage=en&m=Maximus%20IV%20Extreme&p=1&s=39&os=29&hashedid=A&no=96E6BED6-54BF-E7EE-7407-655061E60FC0

(This is the Maxiumus Extreme IV, but it should apply to all motherboards by Asus that have the EPU switch in that series.)



The difference between the EPU switch, BIOS EPU option, and EPU under AiSuite II is as follows:

 

  1. EPU Switch: Once enabled, it will enable EPU option in BIOS and default to auto mode.
  2. BIOS EPU option: There are options to select the level of power saving (lowering Vcore voltage when the loading drops). Both the BIOS option and EPU switch will no effect the performance. However, the stability of high level power saving depending on the quality of the CPU and DRAM.
  3. EPU under AiSuite II: There are 3 modes to choose from: AUTO (dynamic change multiplier and Vcore based on CPU load), High Performance (EPU OFF), and Max power saving (Drop CPU multiplier to lowest multiplier with the relative VID).


You can benefit from the combined result of the BIOS option and AiSuite II software.  If AiSuite II is not installed, it will work as AUTO mode.


 

So it's my understanding that the EPU switch on the motherboard controls the motherboard components such as VRM, and that by enabling it, it enables it in the BIOS and sets the BIOS to automatic mode. If you were then to disable it in the BIOS, it should actually disable it overall and the switch becomes meaningless.

 

I also don't recommend using AiSuite II at all; I simply kept it in the quote for posterity's sake.

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post #6626 of 9343
As of tonight this board I have from ASUS is been more than surprising me. I mean I was using a ASRock E4 G3 board before this one. I might have to make my ASRock mobo be back up if this ASUS board goes south. I'm really pleased with it. Still a lot more to learn about getting OC'd and using low vcore with a good clock speeds. Thanks again to those who told me this board would not disappoint. thumb.gif
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post #6627 of 9343
Hi guys, I would just like to ask if p67 sabertooth has the function to turn off the computer when its CPU fan fails?
Currently I am on water cooling and I would hate to have a dead CPU due to the pump, which is connected to the CPU fan plug.
I dont see this option in BIOS and i think I did accidentally turned the pump to 0 RPM in windows before and nothing happened....
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post #6628 of 9343
Quote:
Originally Posted by shad0wfax View Post


From http://support.asus.com/FAQ/detail.aspx?SLanguage=en&m=Maximus%20IV%20Extreme&p=1&s=39&os=29&hashedid=A&no=96E6BED6-54BF-E7EE-7407-655061E60FC0
(This is the Maxiumus Extreme IV, but it should apply to all motherboards by Asus that have the EPU switch in that series.)
The difference between the EPU switch, BIOS EPU option, and EPU under AiSuite II is as follows:
  1. EPU Switch: Once enabled, it will enable EPU option in BIOS and default to auto mode.
  2. BIOS EPU option: There are options to select the level of power saving (lowering Vcore voltage when the loading drops). Both the BIOS option and EPU switch will no effect the performance. However, the stability of high level power saving depending on the quality of the CPU and DRAM.
  3. EPU under AiSuite II: There are 3 modes to choose from: AUTO (dynamic change multiplier and Vcore based on CPU load), High Performance (EPU OFF), and Max power saving (Drop CPU multiplier to lowest multiplier with the relative VID).

You can benefit from the combined result of the BIOS option and AiSuite II software.  If AiSuite II is not installed, it will work as AUTO mode.
So it's my understanding that the EPU switch on the motherboard controls the motherboard components such as VRM, and that by enabling it, it enables it in the BIOS and sets the BIOS to automatic mode. If you were then to disable it in the BIOS, it should actually disable it overall and the switch becomes meaningless.

I also don't recommend using AiSuite II at all; I simply kept it in the quote for posterity's sake.

Okay, that makes sense. Thanks.
post #6629 of 9343
Hey guys...

New P8Z68 owner with a 2500K. Quick question regarding overclocking with the multiplier: Will the BIOS and Windows system properties never show the overclocked speed? I overclocked my chip to 4.8 GHz using the guide in the first page, but only CPU-Z shows my overclocked speed, and the Windows and BIOS still show I'm at 3.3 GHz.

Thanks.
post #6630 of 9343
Quote:
Originally Posted by Yodums View Post

Hey guys...
New P8Z68 owner with a 2500K. Quick question regarding overclocking with the multiplier: Will the BIOS and Windows system properties never show the overclocked speed? I overclocked my chip to 4.8 GHz using the guide in the first page, but only CPU-Z shows my overclocked speed, and the Windows and BIOS still show I'm at 3.3 GHz.
Thanks.

Maybe you did something wrong there? You need to do something with your computer to get it rise to your overclocking speed because of idling thing, try to use some prime95 there.

Sorry my bad. You are all right, they dont show it.
Edited by MooMoo - 3/1/12 at 12:45pm
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